HMP512U6FFP8C-Y5 Datasheet, PDF (19/25 Pages) Hynix Semiconductor – 240pin DDR2 SDRAM Unbuffered DIMMs based on 512 Mb F ver.

1240pin DDR2 SDRAM Unbuffered DIMMs
- continued -
Parameter
ODT to power down entry latency
ODT power down exit latency
OCD drive mode output delay
Minimum time clocks remains ON after
CKE asynchronously drops LOW
Average periodic Refresh Interval
Symbol
tANPD
tAXPD
tOIT
tDelay
tREFI
tREFI
DDR2-400
DDR2-533
Min
Max
Min
Max
tAC(min)
tAC(max)+0.
6
3
tAC(min)+2
2.5tCK+
tAC(max)+1
8
3
0
12
8
tIS+tCK+tIH
-
7.8
-
7.8
-
3.9
-
3.9
Unit Note
tCK
tCK
ns
ns
us 2
us 3
Notes :
1. For details and notes, please refer to the relevant HYNIX component datasheet (HY5PS12[8,16]21CFP).
2. 0°C ≤ TCASE ≤ 85°C
3. 85°C ＜ TCASE ≤ 95°C
Rev. 0.1 / June 2008
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